The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

Computer vulnerabilities of Cisco NX-OS

computer weakness alert CVE-2019-1965

Cisco NX-OS: memory leak via VSH

Synthesis of the vulnerability

An attacker can create a memory leak via VSH of Cisco NX-OS, in order to trigger a denial of service.
Severity: 1/4.
Creation date: 29/08/2019.
Identifiers: CERTFR-2019-AVI-414, cisco-sa-20190828-nxos-memleak-dos, CSCvi15409, CSCvn50393, CSCvn50443, CSCvn50446, CSCvn52167, CVE-2019-1965, VIGILANCE-VUL-30190.
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Description of the vulnerability

An attacker can create a memory leak via VSH of Cisco NX-OS, in order to trigger a denial of service.
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computer vulnerability bulletin CVE-2019-1962

Cisco NX-OS: denial of service via Fabric Services over IP

Synthesis of the vulnerability

An attacker can trigger a fatal error via Fabric Services over IP of Cisco NX-OS, in order to trigger a denial of service.
Severity: 2/4.
Creation date: 29/08/2019.
Identifiers: CERTFR-2019-AVI-414, cisco-sa-20190828-nxos-fsip-dos, CSCva64492, CSCvj59058, CSCvk70625, CSCvk70631, CSCvk70632, CSCvk70633, CVE-2019-1962, VIGILANCE-VUL-30188.
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Description of the vulnerability

An attacker can trigger a fatal error via Fabric Services over IP of Cisco NX-OS, in order to trigger a denial of service.
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vulnerability alert CVE-2019-1968

Cisco NX-OS: denial of service via NX-API

Synthesis of the vulnerability

An attacker can trigger a fatal error via NX-API of Cisco NX-OS, in order to trigger a denial of service.
Severity: 2/4.
Creation date: 29/08/2019.
Identifiers: CERTFR-2019-AVI-414, cisco-sa-20190828-nxos-api-dos, CSCvn26502, CSCvn31273, CSCvn57900, CVE-2019-1968, VIGILANCE-VUL-30187.
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Description of the vulnerability

An attacker can trigger a fatal error via NX-API of Cisco NX-OS, in order to trigger a denial of service.
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security vulnerability CVE-2019-1977

Cisco Nexus 9000: denial of service via Endpoint Learning

Synthesis of the vulnerability

An attacker can trigger a fatal error via Endpoint Learning of Cisco Nexus 9000, in order to trigger a denial of service.
Severity: 2/4.
Creation date: 29/08/2019.
Identifiers: CERTFR-2019-AVI-414, cisco-sa-20190828-nexus-aci-dos, CSCvi11291, CVE-2019-1977, VIGILANCE-VUL-30186.
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Description of the vulnerability

An attacker can trigger a fatal error via Endpoint Learning of Cisco Nexus 9000, in order to trigger a denial of service.
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weakness announce CVE-2019-1963

Cisco FXOS/NX-OS: denial of service via SNMP

Synthesis of the vulnerability

An attacker can send malicious SNMP packets to Cisco FXOS/NX-OS, in order to trigger a denial of service.
Severity: 2/4.
Creation date: 29/08/2019.
Identifiers: CERTFR-2019-AVI-414, cisco-sa-20190828-fxnxos-snmp-dos, CSCvn13270, CSCvn23529, CSCvn23531, CSCvn23532, CSCvn23534, CSCvn23535, CSCvn23536, CSCvn23537, CSCvn23538, CVE-2019-1963, VIGILANCE-VUL-30184.
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Description of the vulnerability

The Cisco FXOS/NX-OS product has a service to manage received SNMP packets.

However, when malicious SNMP packets are received, a fatal error occurs.

An attacker can therefore send malicious SNMP packets to Cisco FXOS/NX-OS, in order to trigger a denial of service.
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computer weakness note CVE-2019-1890

Cisco Nexus 9000: privilege escalation via VLAN

Synthesis of the vulnerability

An attacker can bypass restrictions via VLAN of Cisco Nexus 9000, in order to escalate his privileges.
Severity: 2/4.
Creation date: 04/07/2019.
Identifiers: CERTFR-2019-AVI-304, cisco-sa-20190703-n9kaci-bypass, CSCvp64280, CVE-2019-1890, VIGILANCE-VUL-29692.
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Description of the vulnerability

An attacker can bypass restrictions via VLAN of Cisco Nexus 9000, in order to escalate his privileges.
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computer weakness note CVE-2019-1779 CVE-2019-1780 CVE-2019-1781

Cisco NX-OS: privilege escalation via CLI

Synthesis of the vulnerability

An attacker can bypass restrictions via CLI of Cisco NX-OS, in order to escalate his privileges.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 9.
Creation date: 16/05/2019.
Revision date: 17/05/2019.
Identifiers: cisco-sa-20190515-fxos-nxos-cmdinj-1781-1782, cisco-sa-20190515-nxos-cmdinj-1783, cisco-sa-20190515-nxos-cmdinj-1790, cisco-sa-20190515-nxos-cmdinj-1791, cisco-sa-20190515-nxos-cmdinj-1795, cisco-sa-20190515-nxos-cmd-inject-1784, cisco-sa-20190515-nxos-fxos-cmdinj-1779, cisco-sa-20190515-nxos-fxos-cmdinj-1780, cisco-sa-20190515-nxos-fxos-info, CVE-2019-1779, CVE-2019-1780, CVE-2019-1781, CVE-2019-1782, CVE-2019-1783, CVE-2019-1784, CVE-2019-1790, CVE-2019-1791, CVE-2019-1795, VIGILANCE-VUL-29340.
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Description of the vulnerability

An attacker can bypass restrictions via CLI of Cisco NX-OS, in order to escalate his privileges.
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computer vulnerability announce CVE-2019-1808 CVE-2019-1809 CVE-2019-1810

Cisco Nexus: multiple vulnerabilities via signature

Synthesis of the vulnerability

An attacker can use several vulnerabilities via signature of Cisco Nexus.
Severity: 2/4.
Number of vulnerabilities in this bulletin: 6.
Creation date: 16/05/2019.
Identifiers: cisco-sa-20190515-nxos-psvb, cisco-sa-20190515-nxos-sisv, cisco-sa-20190515-nxos-sisv2, cisco-sa-20190515-nxos-spsv, CVE-2019-1808, CVE-2019-1809, CVE-2019-1810, CVE-2019-1811, CVE-2019-1812, CVE-2019-1813, VIGILANCE-VUL-29341.
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Description of the vulnerability

An attacker can use several vulnerabilities via signature of Cisco Nexus.
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computer threat CVE-2019-1778

Cisco NX-OS: privilege escalation via CLI

Synthesis of the vulnerability

An attacker can bypass restrictions via CLI of Cisco NX-OS, in order to escalate his privileges.
Severity: 2/4.
Creation date: 16/05/2019.
Identifiers: cisco-sa-20190515-nxos-cmdinj-1778, cisco-sa-20190515-nxos-fxos-cmdinj-1779, CVE-2019-1778, VIGILANCE-VUL-29339.
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Description of the vulnerability

An attacker can bypass restrictions via CLI of Cisco NX-OS, in order to escalate his privileges.
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computer vulnerability note CVE-2019-1776

Cisco NX-OS: privilege escalation via CLI

Synthesis of the vulnerability

An attacker can bypass restrictions via CLI of Cisco NX-OS, in order to escalate his privileges.
Severity: 2/4.
Creation date: 16/05/2019.
Identifiers: cisco-sa-20190515-nxos-cmdinj-1776, CVE-2019-1776, VIGILANCE-VUL-29338.
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Description of the vulnerability

An attacker can bypass restrictions via CLI of Cisco NX-OS, in order to escalate his privileges.
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